716 lines
21 KiB
C
716 lines
21 KiB
C
/*
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* Xephyr - A kdrive X server thats runs in a host X window.
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* Authored by Matthew Allum <mallum@openedhand.com>
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*
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* Copyright © 2007 OpenedHand Ltd
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of OpenedHand Ltd not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. OpenedHand Ltd makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* Authors:
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* Dodji Seketeli <dodji@openedhand.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include <kdrive-config.h>
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#endif
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#include "extnsionst.h"
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#include "ephyrglxext.h"
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#include "ephyrhostglx.h"
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#define _HAVE_XALLOC_DECLS
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#include "ephyrlog.h"
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#include <GL/glxproto.h>
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#include "glx/glxserver.h"
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#include "glx/indirect_table.h"
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#include "glx/indirect_util.h"
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#include "glx/unpack.h"
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#include "hostx.h"
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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int ephyrGLXQueryVersion(__GLXclientState * cl, GLbyte * pc);
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int ephyrGLXQueryVersionSwap(__GLXclientState * cl, GLbyte * pc);
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int ephyrGLXGetVisualConfigs(__GLXclientState * cl, GLbyte * pc);
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int ephyrGLXGetVisualConfigsSwap(__GLXclientState * cl, GLbyte * pc);
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int ephyrGLXClientInfo(__GLXclientState * cl, GLbyte * pc);
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int ephyrGLXClientInfoSwap(__GLXclientState * cl, GLbyte * pc);
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int ephyrGLXQueryServerString(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXQueryServerStringSwap(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXGetFBConfigsSGIX(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXGetFBConfigsSGIXSwap(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXCreateContext(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXCreateContextSwap(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXDestroyContext(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXDestroyContextSwap(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXMakeCurrent(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXMakeCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXGetString(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXGetStringSwap(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXGetIntegerv(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXGetIntegervSwap(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXIsDirect(__GLXclientState * a_cl, GLbyte * a_pc);
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int ephyrGLXIsDirectSwap(__GLXclientState * a_cl, GLbyte * a_pc);
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Bool
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ephyrHijackGLXExtension(void)
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{
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const void *(*dispatch_functions)[2];
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if (!hostx_has_glx()) {
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EPHYR_LOG("host X does not have GLX\n");
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return FALSE;
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}
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EPHYR_LOG("host X does have GLX\n");
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if (!Single_dispatch_info.dispatch_functions) {
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EPHYR_LOG_ERROR("could not get dispatch functions table\n");
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return FALSE;
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}
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/*
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* hijack some single entry point dispatch functions
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*/
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dispatch_functions = Single_dispatch_info.dispatch_functions;
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EPHYR_RETURN_VAL_IF_FAIL(dispatch_functions, FALSE);
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dispatch_functions[X_GLXQueryVersion][0] = ephyrGLXQueryVersion;
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dispatch_functions[X_GLXQueryVersion][1] = ephyrGLXQueryVersionSwap;
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dispatch_functions[X_GLXGetVisualConfigs][0] = ephyrGLXGetVisualConfigs;
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dispatch_functions[X_GLXGetVisualConfigs][1] = ephyrGLXGetVisualConfigsSwap;
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dispatch_functions[X_GLXClientInfo][0] = ephyrGLXClientInfo;
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dispatch_functions[X_GLXClientInfo][1] = ephyrGLXClientInfoSwap;
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dispatch_functions[X_GLXQueryServerString][0] = ephyrGLXQueryServerString;
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dispatch_functions[X_GLXQueryServerString][1] =
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ephyrGLXQueryServerStringSwap;
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dispatch_functions[X_GLXCreateContext][0] = ephyrGLXCreateContext;
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dispatch_functions[X_GLXCreateContext][1] = ephyrGLXCreateContextSwap;
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dispatch_functions[X_GLXDestroyContext][0] = ephyrGLXDestroyContext;
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dispatch_functions[X_GLXDestroyContext][1] = ephyrGLXDestroyContextSwap;
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dispatch_functions[X_GLXMakeCurrent][0] = ephyrGLXMakeCurrent;
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dispatch_functions[X_GLXMakeCurrent][1] = ephyrGLXMakeCurrentSwap;
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dispatch_functions[X_GLXIsDirect][0] = ephyrGLXIsDirect;
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dispatch_functions[X_GLXIsDirect][1] = ephyrGLXIsDirectSwap;
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dispatch_functions[73][0] = ephyrGLXGetString;
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dispatch_functions[73][1] = ephyrGLXGetStringSwap;
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dispatch_functions[61][0] = ephyrGLXGetIntegerv;
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dispatch_functions[61][1] = ephyrGLXGetIntegervSwap;
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/*
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* hijack some vendor priv entry point dispatch functions
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*/
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dispatch_functions = VendorPriv_dispatch_info.dispatch_functions;
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dispatch_functions[92][0] = ephyrGLXGetFBConfigsSGIX;
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dispatch_functions[92][1] = ephyrGLXGetFBConfigsSGIXSwap;
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EPHYR_LOG("hijacked glx entry points to forward requests to host X\n");
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return TRUE;
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}
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/*********************
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* implementation of
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* hijacked GLX entry
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* points
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********************/
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int
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ephyrGLXQueryVersion(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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ClientPtr client = a_cl->client;
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xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc;
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xGLXQueryVersionReply reply;
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int major, minor;
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int res = BadImplementation;
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EPHYR_LOG("enter\n");
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major = req->majorVersion;
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minor = req->minorVersion;
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if (!ephyrHostGLXQueryVersion(&major, &minor)) {
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EPHYR_LOG_ERROR("ephyrHostGLXQueryVersion() failed\n");
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goto out;
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}
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EPHYR_LOG("major:%d, minor:%d\n", major, minor);
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reply = (xGLXQueryVersionReply) {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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.length = 0,
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.majorVersion = major,
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.minorVersion = minor
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};
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if (client->swapped) {
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__glXSwapQueryVersionReply(client, &reply);
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}
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else {
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WriteToClient(client, sz_xGLXQueryVersionReply, &reply);
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}
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res = Success;
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out:
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EPHYR_LOG("leave\n");
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return res;
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}
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int
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ephyrGLXQueryVersionSwap(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLX_SWAP_SHORT(&req->length);
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__GLX_SWAP_INT(&req->majorVersion);
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__GLX_SWAP_INT(&req->minorVersion);
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return ephyrGLXQueryVersion(a_cl, a_pc);
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}
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static int
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ephyrGLXGetVisualConfigsReal(__GLXclientState * a_cl,
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GLbyte * a_pc, Bool a_do_swap)
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{
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xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) a_pc;
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ClientPtr client = a_cl->client;
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xGLXGetVisualConfigsReply reply;
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int32_t *props_buf = NULL, num_visuals = 0,
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num_props = 0, res = BadImplementation, i = 0,
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props_per_visual_size = 0, props_buf_size = 0;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
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EPHYR_LOG("enter\n");
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if (!ephyrHostGLXGetVisualConfigs(req->screen,
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&num_visuals,
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&num_props,
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&props_buf_size, &props_buf)) {
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EPHYR_LOG_ERROR("ephyrHostGLXGetVisualConfigs() failed\n");
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goto out;
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}
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EPHYR_LOG("num_visuals:%d, num_props:%d\n", num_visuals, num_props);
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reply = (xGLXGetVisualConfigsReply) {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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.length = (num_visuals * __GLX_SIZE_CARD32 * num_props) >> 2,
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.numVisuals = num_visuals,
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.numProps = num_props
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};
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if (a_do_swap) {
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__GLX_SWAP_SHORT(&reply.sequenceNumber);
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__GLX_SWAP_INT(&reply.length);
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__GLX_SWAP_INT(&reply.numVisuals);
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__GLX_SWAP_INT(&reply.numProps);
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__GLX_SWAP_INT_ARRAY(props_buf, num_props);
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}
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WriteToClient(client, sz_xGLXGetVisualConfigsReply, &reply);
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props_per_visual_size = props_buf_size / num_visuals;
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for (i = 0; i < num_visuals; i++) {
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WriteToClient(client,
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props_per_visual_size,
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(char *) props_buf + i * props_per_visual_size);
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}
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res = Success;
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out:
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EPHYR_LOG("leave\n");
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free(props_buf);
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props_buf = NULL;
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return res;
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}
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static int
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ephyrGLXGetFBConfigsSGIXReal(__GLXclientState * a_cl,
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GLbyte * a_pc, Bool a_do_swap)
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{
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xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) a_pc;
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ClientPtr client = a_cl->client;
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xGLXGetVisualConfigsReply reply;
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int32_t *props_buf = NULL, num_visuals = 0,
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num_props = 0, res = BadImplementation, i = 0,
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props_per_visual_size = 0, props_buf_size = 0;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
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EPHYR_LOG("enter\n");
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if (!ephyrHostGLXVendorPrivGetFBConfigsSGIX(req->screen,
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&num_visuals,
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&num_props,
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&props_buf_size, &props_buf)) {
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EPHYR_LOG_ERROR("ephyrHostGLXGetVisualConfigs() failed\n");
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goto out;
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}
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EPHYR_LOG("num_visuals:%d, num_props:%d\n", num_visuals, num_props);
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reply = (xGLXGetVisualConfigsReply) {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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.length = props_buf_size >> 2,
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.numVisuals = num_visuals,
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.numProps = num_props
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};
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if (a_do_swap) {
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__GLX_SWAP_SHORT(&reply.sequenceNumber);
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__GLX_SWAP_INT(&reply.length);
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__GLX_SWAP_INT(&reply.numVisuals);
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__GLX_SWAP_INT(&reply.numProps);
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__GLX_SWAP_INT_ARRAY(props_buf, num_props);
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}
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WriteToClient(client, sz_xGLXGetVisualConfigsReply, &reply);
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props_per_visual_size = props_buf_size / num_visuals;
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for (i = 0; i < num_visuals; i++) {
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WriteToClient(client,
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props_per_visual_size,
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&((char *) props_buf)[i * props_per_visual_size]);
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}
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res = Success;
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out:
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EPHYR_LOG("leave\n");
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free(props_buf);
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props_buf = NULL;
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return res;
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}
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int
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ephyrGLXGetVisualConfigs(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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return ephyrGLXGetVisualConfigsReal(a_cl, a_pc, FALSE);
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}
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int
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ephyrGLXGetVisualConfigsSwap(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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return ephyrGLXGetVisualConfigsReal(a_cl, a_pc, TRUE);
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}
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int
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ephyrGLXClientInfo(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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int res = BadImplementation;
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xGLXClientInfoReq *req = (xGLXClientInfoReq *) a_pc;
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EPHYR_LOG("enter\n");
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if (!ephyrHostGLXSendClientInfo(req->major, req->minor, (char *) req + 1)) {
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EPHYR_LOG_ERROR("failed to send client info to host\n");
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goto out;
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}
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res = Success;
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out:
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EPHYR_LOG("leave\n");
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return res;
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}
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int
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ephyrGLXClientInfoSwap(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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xGLXClientInfoReq *req = (xGLXClientInfoReq *) a_pc;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLX_SWAP_SHORT(&req->length);
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__GLX_SWAP_INT(&req->major);
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__GLX_SWAP_INT(&req->minor);
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__GLX_SWAP_INT(&req->numbytes);
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return ephyrGLXClientInfo(a_cl, a_pc);
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}
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int
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ephyrGLXQueryServerString(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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int res = BadImplementation;
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ClientPtr client = a_cl->client;
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xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) a_pc;
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xGLXQueryServerStringReply reply;
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char *server_string = NULL;
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int length = 0;
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EPHYR_LOG("enter\n");
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if (!ephyrHostGLXGetStringFromServer(req->screen,
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req->name,
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EPHYR_HOST_GLX_QueryServerString,
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&server_string)) {
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EPHYR_LOG_ERROR("failed to query string from host\n");
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goto out;
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}
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EPHYR_LOG("string: %s\n", server_string);
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length = strlen(server_string) + 1;
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reply = (xGLXQueryServerStringReply) {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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.length = __GLX_PAD(length) >> 2,
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.n = length
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};
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WriteToClient(client, sz_xGLXQueryServerStringReply, &reply);
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WriteToClient(client, (int) (reply.length << 2), server_string);
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res = Success;
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out:
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EPHYR_LOG("leave\n");
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free(server_string);
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server_string = NULL;
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return res;
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}
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int
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ephyrGLXQueryServerStringSwap(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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EPHYR_LOG_ERROR("not yet implemented\n");
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return BadImplementation;
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}
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int
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ephyrGLXGetFBConfigsSGIX(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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return ephyrGLXGetFBConfigsSGIXReal(a_cl, a_pc, FALSE);
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}
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int
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ephyrGLXGetFBConfigsSGIXSwap(__GLXclientState * a_cl, GLbyte * a_pc)
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{
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return ephyrGLXGetFBConfigsSGIXReal(a_cl, a_pc, TRUE);
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}
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static int
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ephyrGLXCreateContextReal(xGLXCreateContextReq * a_req, Bool a_do_swap)
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{
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int res = BadImplementation;
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EphyrHostWindowAttributes host_w_attrs;
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__GLX_DECLARE_SWAP_VARIABLES;
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EPHYR_RETURN_VAL_IF_FAIL(a_req, BadValue);
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EPHYR_LOG("enter\n");
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if (a_do_swap) {
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__GLX_SWAP_SHORT(&a_req->length);
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__GLX_SWAP_INT(&a_req->context);
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__GLX_SWAP_INT(&a_req->visual);
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__GLX_SWAP_INT(&a_req->screen);
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__GLX_SWAP_INT(&a_req->shareList);
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}
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EPHYR_LOG("context creation requested. localid:%d, "
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"screen:%d, visual:%d, direct:%d\n",
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(int) a_req->context, (int) a_req->screen,
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(int) a_req->visual, (int) a_req->isDirect);
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memset(&host_w_attrs, 0, sizeof(host_w_attrs));
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if (!hostx_get_window_attributes(hostx_get_window(a_req->screen),
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&host_w_attrs)) {
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EPHYR_LOG_ERROR("failed to get host window attrs\n");
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goto out;
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}
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EPHYR_LOG("host window visual id: %d\n", host_w_attrs.visualid);
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if (!ephyrHostGLXCreateContext(a_req->screen,
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host_w_attrs.visualid,
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a_req->context,
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a_req->shareList, a_req->isDirect)) {
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EPHYR_LOG_ERROR("ephyrHostGLXCreateContext() failed\n");
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goto out;
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}
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res = Success;
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out:
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EPHYR_LOG("leave\n");
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return res;
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}
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int
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ephyrGLXCreateContext(__GLXclientState * cl, GLbyte * pc)
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{
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xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
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return ephyrGLXCreateContextReal(req, FALSE);
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}
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int
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ephyrGLXCreateContextSwap(__GLXclientState * cl, GLbyte * pc)
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|
{
|
|
xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
|
|
|
|
return ephyrGLXCreateContextReal(req, TRUE);
|
|
}
|
|
|
|
static int
|
|
ephyrGLXDestroyContextReal(__GLXclientState * a_cl,
|
|
GLbyte * a_pc, Bool a_do_swap)
|
|
{
|
|
int res = BadImplementation;
|
|
ClientPtr client = a_cl->client;
|
|
xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) a_pc;
|
|
|
|
EPHYR_LOG("enter. id:%d\n", (int) req->context);
|
|
if (!ephyrHostDestroyContext(req->context)) {
|
|
EPHYR_LOG_ERROR("ephyrHostDestroyContext() failed\n");
|
|
client->errorValue = req->context;
|
|
goto out;
|
|
}
|
|
res = Success;
|
|
|
|
out:
|
|
EPHYR_LOG("leave\n");
|
|
return res;
|
|
}
|
|
|
|
int
|
|
ephyrGLXDestroyContext(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXDestroyContextReal(a_cl, a_pc, FALSE);
|
|
}
|
|
|
|
int
|
|
ephyrGLXDestroyContextSwap(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXDestroyContextReal(a_cl, a_pc, TRUE);
|
|
}
|
|
|
|
static int
|
|
ephyrGLXMakeCurrentReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap)
|
|
{
|
|
int res = BadImplementation;
|
|
xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc;
|
|
xGLXMakeCurrentReply reply;
|
|
DrawablePtr drawable = NULL;
|
|
GLXContextTag contextTag = 0;
|
|
int rc = 0;
|
|
|
|
EPHYR_LOG("enter\n");
|
|
rc = dixLookupDrawable(&drawable,
|
|
req->drawable, a_cl->client, 0, DixReadAccess);
|
|
EPHYR_RETURN_VAL_IF_FAIL(drawable, BadValue);
|
|
EPHYR_RETURN_VAL_IF_FAIL(drawable->pScreen, BadValue);
|
|
EPHYR_LOG("screen nummber requested:%d\n", drawable->pScreen->myNum);
|
|
|
|
if (!ephyrHostGLXMakeCurrent(hostx_get_window(drawable->pScreen->myNum),
|
|
req->context,
|
|
req->oldContextTag,
|
|
(int *) &contextTag)) {
|
|
EPHYR_LOG_ERROR("ephyrHostGLXMakeCurrent() failed\n");
|
|
goto out;
|
|
}
|
|
reply = (xGLXMakeCurrentReply) {
|
|
.type = X_Reply,
|
|
.sequenceNumber = a_cl->client->sequence,
|
|
.length = 0,
|
|
.contextTag = contextTag
|
|
};
|
|
if (a_do_swap) {
|
|
__GLX_DECLARE_SWAP_VARIABLES;
|
|
__GLX_SWAP_SHORT(&reply.sequenceNumber);
|
|
__GLX_SWAP_INT(&reply.length);
|
|
__GLX_SWAP_INT(&reply.contextTag);
|
|
}
|
|
WriteToClient(a_cl->client, sz_xGLXMakeCurrentReply, &reply);
|
|
|
|
res = Success;
|
|
out:
|
|
EPHYR_LOG("leave\n");
|
|
return res;
|
|
}
|
|
|
|
int
|
|
ephyrGLXMakeCurrent(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXMakeCurrentReal(a_cl, a_pc, FALSE);
|
|
}
|
|
|
|
int
|
|
ephyrGLXMakeCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXMakeCurrentReal(a_cl, a_pc, TRUE);
|
|
}
|
|
|
|
static int
|
|
ephyrGLXGetStringReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap)
|
|
{
|
|
ClientPtr client = NULL;
|
|
int context_tag = 0, name = 0, res = BadImplementation, length = 0;
|
|
char *string = NULL;
|
|
|
|
__GLX_DECLARE_SWAP_VARIABLES;
|
|
|
|
EPHYR_RETURN_VAL_IF_FAIL(a_cl && a_pc, BadValue);
|
|
|
|
EPHYR_LOG("enter\n");
|
|
|
|
client = a_cl->client;
|
|
|
|
if (a_do_swap) {
|
|
__GLX_SWAP_INT(a_pc + 4);
|
|
__GLX_SWAP_INT(a_pc + __GLX_SINGLE_HDR_SIZE);
|
|
}
|
|
context_tag = __GLX_GET_SINGLE_CONTEXT_TAG(a_pc);
|
|
a_pc += __GLX_SINGLE_HDR_SIZE;
|
|
name = *(GLenum *) (a_pc + 0);
|
|
EPHYR_LOG("context_tag:%d, name:%d\n", context_tag, name);
|
|
if (!ephyrHostGLXGetStringFromServer(context_tag,
|
|
name,
|
|
EPHYR_HOST_GLX_GetString, &string)) {
|
|
EPHYR_LOG_ERROR("failed to get string from server\n");
|
|
goto out;
|
|
}
|
|
if (string) {
|
|
length = strlen(string) + 1;
|
|
EPHYR_LOG("got string:'%s', size:%d\n", string, length);
|
|
}
|
|
else {
|
|
EPHYR_LOG("got string: string (null)\n");
|
|
}
|
|
__GLX_BEGIN_REPLY(length);
|
|
__GLX_PUT_SIZE(length);
|
|
__GLX_SEND_HEADER();
|
|
if (a_do_swap) {
|
|
__GLX_SWAP_REPLY_SIZE();
|
|
__GLX_SWAP_REPLY_HEADER();
|
|
}
|
|
WriteToClient(client, length, string);
|
|
|
|
res = Success;
|
|
out:
|
|
EPHYR_LOG("leave\n");
|
|
return res;
|
|
}
|
|
|
|
int
|
|
ephyrGLXGetString(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXGetStringReal(a_cl, a_pc, FALSE);
|
|
}
|
|
|
|
int
|
|
ephyrGLXGetStringSwap(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXGetStringReal(a_cl, a_pc, TRUE);
|
|
}
|
|
|
|
static int
|
|
ephyrGLXGetIntegervReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap)
|
|
{
|
|
int res = BadImplementation;
|
|
xGLXSingleReq *const req = (xGLXSingleReq *) a_pc;
|
|
GLenum int_name;
|
|
int value = 0;
|
|
GLint answer_buf_room[200];
|
|
GLint *buf = NULL;
|
|
|
|
EPHYR_LOG("enter\n");
|
|
|
|
a_pc += __GLX_SINGLE_HDR_SIZE;
|
|
|
|
int_name = *(GLenum *) (a_pc + 0);
|
|
if (!ephyrHostGetIntegerValue(req->contextTag, int_name, &value)) {
|
|
EPHYR_LOG_ERROR("ephyrHostGetIntegerValue() failed\n");
|
|
goto out;
|
|
}
|
|
buf = __glXGetAnswerBuffer(a_cl, sizeof(value),
|
|
answer_buf_room, sizeof(answer_buf_room), 4);
|
|
|
|
if (!buf) {
|
|
EPHYR_LOG_ERROR("failed to allocate reply buffer\n");
|
|
res = BadAlloc;
|
|
goto out;
|
|
}
|
|
__glXSendReply(a_cl->client, buf, 1, sizeof(value), GL_FALSE, 0);
|
|
res = Success;
|
|
|
|
out:
|
|
EPHYR_LOG("leave\n");
|
|
return res;
|
|
}
|
|
|
|
int
|
|
ephyrGLXGetIntegerv(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXGetIntegervReal(a_cl, a_pc, FALSE);
|
|
}
|
|
|
|
int
|
|
ephyrGLXGetIntegervSwap(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXGetIntegervReal(a_cl, a_pc, TRUE);
|
|
}
|
|
|
|
static int
|
|
ephyrGLXIsDirectReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap)
|
|
{
|
|
int res = BadImplementation;
|
|
ClientPtr client = a_cl->client;
|
|
xGLXIsDirectReq *req = (xGLXIsDirectReq *) a_pc;
|
|
xGLXIsDirectReply reply;
|
|
int is_direct = 0;
|
|
|
|
EPHYR_RETURN_VAL_IF_FAIL(a_cl && a_pc, FALSE);
|
|
|
|
EPHYR_LOG("enter\n");
|
|
|
|
if (!ephyrHostIsContextDirect(req->context, (int *) &is_direct)) {
|
|
EPHYR_LOG_ERROR("ephyrHostIsContextDirect() failed\n");
|
|
goto out;
|
|
}
|
|
reply = (xGLXIsDirectReply) {
|
|
.type = X_Reply,
|
|
.sequenceNumber = client->sequence,
|
|
.length = 0,
|
|
.isDirect = is_direct
|
|
};
|
|
|
|
WriteToClient(client, sz_xGLXIsDirectReply, &reply);
|
|
res = Success;
|
|
|
|
out:
|
|
EPHYR_LOG("leave\n");
|
|
return res;
|
|
}
|
|
|
|
int
|
|
ephyrGLXIsDirect(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXIsDirectReal(a_cl, a_pc, FALSE);
|
|
}
|
|
|
|
int
|
|
ephyrGLXIsDirectSwap(__GLXclientState * a_cl, GLbyte * a_pc)
|
|
{
|
|
return ephyrGLXIsDirectReal(a_cl, a_pc, TRUE);
|
|
}
|